EP1324031A3 - Ground anchorage testing system - Google Patents

Ground anchorage testing system Download PDF

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Publication number
EP1324031A3
EP1324031A3 EP03075813A EP03075813A EP1324031A3 EP 1324031 A3 EP1324031 A3 EP 1324031A3 EP 03075813 A EP03075813 A EP 03075813A EP 03075813 A EP03075813 A EP 03075813A EP 1324031 A3 EP1324031 A3 EP 1324031A3
Authority
EP
European Patent Office
Prior art keywords
data signals
tendon
ground
response
anchorage
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
EP03075813A
Other languages
German (de)
French (fr)
Other versions
EP1324031B1 (en
EP1324031A2 (en
Inventor
Albert Alexander Rodger
Gavin Stuart Littlejohn
Richard David Neilson
James Penman
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
University of Bradford
University of Aberdeen
Original Assignee
University of Bradford
University of Aberdeen
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by University of Bradford, University of Aberdeen filed Critical University of Bradford
Publication of EP1324031A2 publication Critical patent/EP1324031A2/en
Publication of EP1324031A3 publication Critical patent/EP1324031A3/en
Application granted granted Critical
Publication of EP1324031B1 publication Critical patent/EP1324031B1/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Classifications

    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N29/00—Investigating or analysing materials by the use of ultrasonic, sonic or infrasonic waves; Visualisation of the interior of objects by transmitting ultrasonic or sonic waves through the object
    • G01N29/44—Processing the detected response signal, e.g. electronic circuits specially adapted therefor
    • G01N29/4409—Processing the detected response signal, e.g. electronic circuits specially adapted therefor by comparison
    • G01N29/4427—Processing the detected response signal, e.g. electronic circuits specially adapted therefor by comparison with stored values, e.g. threshold values
    • E—FIXED CONSTRUCTIONS
    • E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
    • E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
    • E02D33/00—Testing foundations or foundation structures
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N29/00—Investigating or analysing materials by the use of ultrasonic, sonic or infrasonic waves; Visualisation of the interior of objects by transmitting ultrasonic or sonic waves through the object
    • G01N29/04—Analysing solids
    • G01N29/045—Analysing solids by imparting shocks to the workpiece and detecting the vibrations or the acoustic waves caused by the shocks
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N29/00—Investigating or analysing materials by the use of ultrasonic, sonic or infrasonic waves; Visualisation of the interior of objects by transmitting ultrasonic or sonic waves through the object
    • G01N29/44—Processing the detected response signal, e.g. electronic circuits specially adapted therefor
    • G01N29/4481—Neural networks
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N29/00—Investigating or analysing materials by the use of ultrasonic, sonic or infrasonic waves; Visualisation of the interior of objects by transmitting ultrasonic or sonic waves through the object
    • G01N29/44—Processing the detected response signal, e.g. electronic circuits specially adapted therefor
    • G01N29/449—Statistical methods not provided for in G01N29/4409, e.g. averaging, smoothing and interpolation
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N29/00—Investigating or analysing materials by the use of ultrasonic, sonic or infrasonic waves; Visualisation of the interior of objects by transmitting ultrasonic or sonic waves through the object
    • G01N29/44—Processing the detected response signal, e.g. electronic circuits specially adapted therefor
    • G01N29/46—Processing the detected response signal, e.g. electronic circuits specially adapted therefor by spectral analysis, e.g. Fourier analysis or wavelet analysis
    • E—FIXED CONSTRUCTIONS
    • E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
    • E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
    • E02D5/00—Bulkheads, piles, or other structural elements specially adapted to foundation engineering
    • E02D5/74—Means for anchoring structural elements or bulkheads
    • E02D5/80—Ground anchors
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N2291/00—Indexing codes associated with group G01N29/00
    • G01N2291/02—Indexing codes associated with the analysed material
    • G01N2291/023—Solids
    • G01N2291/0234—Metals, e.g. steel
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N2291/00—Indexing codes associated with group G01N29/00
    • G01N2291/02—Indexing codes associated with the analysed material
    • G01N2291/028—Material parameters
    • G01N2291/02827—Elastic parameters, strength or force

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Signal Processing (AREA)
  • Health & Medical Sciences (AREA)
  • Chemical & Material Sciences (AREA)
  • Analytical Chemistry (AREA)
  • Biochemistry (AREA)
  • General Health & Medical Sciences (AREA)
  • General Physics & Mathematics (AREA)
  • Immunology (AREA)
  • Pathology (AREA)
  • Acoustics & Sound (AREA)
  • Artificial Intelligence (AREA)
  • Paleontology (AREA)
  • Civil Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Structural Engineering (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Mining & Mineral Resources (AREA)
  • Evolutionary Computation (AREA)
  • Probability & Statistics with Applications (AREA)
  • Mathematical Physics (AREA)
  • Spectroscopy & Molecular Physics (AREA)
  • Investigating Strength Of Materials By Application Of Mechanical Stress (AREA)
  • Piles And Underground Anchors (AREA)
  • Investigation Of Foundation Soil And Reinforcement Of Foundation Soil By Compacting Or Drainage (AREA)
  • Selective Calling Equipment (AREA)
  • Measurement Of Mechanical Vibrations Or Ultrasonic Waves (AREA)
  • Investigating Or Analyzing Materials By The Use Of Ultrasonic Waves (AREA)
  • Force Measurement Appropriate To Specific Purposes (AREA)
  • Crushing And Grinding (AREA)
  • Testing Of Short-Circuits, Discontinuities, Leakage, Or Incorrect Line Connections (AREA)
  • Excavating Of Shafts Or Tunnels (AREA)
  • Fodder In General (AREA)
  • Meat, Egg Or Seafood Products (AREA)
  • Emergency Protection Circuit Devices (AREA)
  • Maintenance And Management Of Digital Transmission (AREA)
  • Testing Of Devices, Machine Parts, Or Other Structures Thereof (AREA)

Abstract

A method of assessing the integrity of ground anchorages is provided, the method comprising the steps of:-
  • (a) imparting (7, 8) a load impulse to a ground anchorage tendon (2) or an element thereof to be tested;
  • (b) monitoring (9) the vibrational response of the anchorage to the imparted load impulse;
  • (c) generating useable electrical signals indicative of the monitored vibrational response;
  • (d) pre-processing (11) the useable electrical signals by means of statistical analysis to generate electrical data signals containing information relating to predetermined parameters of the response;
  • (e) applying the electrical data signals to an artificial neural network (12) primed with comparable calibration data signals previously derived from the tendon or element thereof under calibratory analysis.
    • Figure 00000001
    EP03075813A 1997-04-29 1998-04-28 Ground anchorage testing method by vibration analysis Expired - Lifetime EP1324031B1 (en)

    Applications Claiming Priority (3)

    Application Number Priority Date Filing Date Title
    GBGB9708740.7A GB9708740D0 (en) 1997-04-29 1997-04-29 Ground anchorage testing system
    GB9708740 1997-04-29
    EP98919322A EP0979406B1 (en) 1997-04-29 1998-04-28 Ground anchorage testing system

    Related Parent Applications (1)

    Application Number Title Priority Date Filing Date
    EP98919322A Division EP0979406B1 (en) 1997-04-29 1998-04-28 Ground anchorage testing system

    Publications (3)

    Publication Number Publication Date
    EP1324031A2 EP1324031A2 (en) 2003-07-02
    EP1324031A3 true EP1324031A3 (en) 2004-10-06
    EP1324031B1 EP1324031B1 (en) 2009-09-09

    Family

    ID=10811569

    Family Applications (2)

    Application Number Title Priority Date Filing Date
    EP03075813A Expired - Lifetime EP1324031B1 (en) 1997-04-29 1998-04-28 Ground anchorage testing method by vibration analysis
    EP98919322A Expired - Lifetime EP0979406B1 (en) 1997-04-29 1998-04-28 Ground anchorage testing system

    Family Applications After (1)

    Application Number Title Priority Date Filing Date
    EP98919322A Expired - Lifetime EP0979406B1 (en) 1997-04-29 1998-04-28 Ground anchorage testing system

    Country Status (12)

    Country Link
    US (2) US6422079B1 (en)
    EP (2) EP1324031B1 (en)
    JP (1) JP3875729B2 (en)
    AT (2) ATE255724T1 (en)
    AU (1) AU741914B2 (en)
    CA (1) CA2289064C (en)
    DE (2) DE69841144D1 (en)
    DK (1) DK1324031T3 (en)
    ES (2) ES2333310T3 (en)
    GB (1) GB9708740D0 (en)
    PT (2) PT979406E (en)
    WO (1) WO1998049553A1 (en)

    Families Citing this family (21)

    * Cited by examiner, † Cited by third party
    Publication number Priority date Publication date Assignee Title
    GB0101043D0 (en) * 2001-01-15 2001-02-28 Univ Aberdeen Input parameter selection process
    US7043989B2 (en) * 2003-06-30 2006-05-16 Csir Method and apparatus for testing installation quality in a grouted anchor system
    DE102004036650B4 (en) 2004-07-28 2007-10-31 Bene_Fit Gmbh Process for the preparation of colored granules and colored granules
    US9534993B2 (en) 2010-11-01 2017-01-03 Purdue Research Foundation Entropy-based impact load identification
    JP6128432B2 (en) * 2013-04-09 2017-05-17 三井造船株式会社 Anchor soundness inspection device and anchor soundness inspection method
    JP6191231B2 (en) * 2013-05-16 2017-09-06 株式会社大林組 Pile soundness evaluation method
    JP6681776B2 (en) * 2016-04-18 2020-04-15 西日本高速道路株式会社 Ground anchor soundness evaluation method and soundness evaluation system
    CN106501465B (en) * 2016-12-23 2018-11-13 石家庄铁道大学 A kind of detection method for detecting Detection of Bolt Bonding Integrity
    FR3062862B1 (en) * 2017-02-13 2019-04-05 Soletanche Freyssinet ANCHORING DEVICE FOR PRECONTROLLED MOLDED WALL
    DE102017114651A1 (en) * 2017-06-30 2019-01-03 Rudi Hachenberg Method and device for assessing the connection quality of anchor devices
    CN108086369B (en) * 2018-02-11 2023-09-12 广东工业大学 Device and method for measuring pile soil combined action displacement stress under different rock-socketed depths
    CN110031175B (en) * 2019-03-20 2020-03-31 东南大学 Bolt connecting piece equivalent model parameter identification method based on dynamic response
    CN109975048B (en) * 2019-03-26 2023-12-26 昆山顺扬工业成套设备有限公司 Testing device of comprehensive training device
    CN110826598B (en) * 2019-10-16 2022-09-02 四川大学 Anchor rod anchoring compactness grade evaluation method based on convolutional neural network
    US11454559B2 (en) 2019-11-20 2022-09-27 Engineering Innovations, LLC System and method of testing the tension of anchors in a dam
    CN111257415B (en) * 2020-01-17 2021-08-10 同济大学 Tunnel damage detection management system based on mobile train vibration signal
    CN111141596B (en) * 2020-02-19 2022-06-17 安徽理工大学 Mechanical performance testing device under impact load action of anchoring body and use method
    CN112067220B (en) * 2020-09-10 2021-11-16 泰安泰烁岩层控制科技有限公司 Clamping piece type anchorage vibration test device and application thereof
    CN112095596B (en) * 2020-11-03 2021-02-02 成都诺比侃科技有限公司 Intelligent monitoring and early warning system and method for slope prestressed anchor rod based on cloud platform
    CN112832305A (en) * 2021-01-07 2021-05-25 淮北九天测绘股份有限公司 Foundation pit slope stability dynamic monitoring device
    CN114592480B (en) * 2022-03-11 2023-06-13 重庆三峡学院 Method and device for preventing and controlling landslide of reservoir bank

    Citations (3)

    * Cited by examiner, † Cited by third party
    Publication number Priority date Publication date Assignee Title
    US4062229A (en) * 1977-02-22 1977-12-13 General Electric Company Method of testing the integrity of installed rock bolts
    US4967587A (en) * 1989-10-20 1990-11-06 Combustion Engineering, Inc. Impact calibration tool
    WO1995027831A1 (en) * 1994-04-06 1995-10-19 Aberdeen University Integrity assessment of ground anchorages

    Family Cites Families (3)

    * Cited by examiner, † Cited by third party
    Publication number Priority date Publication date Assignee Title
    US5165270A (en) * 1990-12-31 1992-11-24 Sansalone Mary J Non-destructive materials testing apparatus and technique for use in the field
    JP3100757B2 (en) * 1992-06-02 2000-10-23 三菱電機株式会社 Monitoring and diagnostic equipment
    US5774376A (en) * 1995-08-07 1998-06-30 Manning; Raymund A. Structural health monitoring using active members and neural networks

    Patent Citations (3)

    * Cited by examiner, † Cited by third party
    Publication number Priority date Publication date Assignee Title
    US4062229A (en) * 1977-02-22 1977-12-13 General Electric Company Method of testing the integrity of installed rock bolts
    US4967587A (en) * 1989-10-20 1990-11-06 Combustion Engineering, Inc. Impact calibration tool
    WO1995027831A1 (en) * 1994-04-06 1995-10-19 Aberdeen University Integrity assessment of ground anchorages

    Non-Patent Citations (1)

    * Cited by examiner, † Cited by third party
    Title
    HW WHITTINGTON: "Sonic Testing of civil engineering sub- and super-structures", IEEE 1984 ULTRASONIC SYMPOSIUM PROCEEDINGS, vol. 2, 14 November 1984 (1984-11-14), DALLAS, TEXAS, pages 869 - 876, XP002072374 *

    Also Published As

    Publication number Publication date
    JP2001522458A (en) 2001-11-13
    US20030015038A1 (en) 2003-01-23
    PT1324031E (en) 2010-01-05
    DK1324031T3 (en) 2010-01-25
    AU741914B2 (en) 2001-12-13
    AU7220298A (en) 1998-11-24
    GB9708740D0 (en) 1997-06-18
    DE69841144D1 (en) 2009-10-22
    WO1998049553A1 (en) 1998-11-05
    ATE255724T1 (en) 2003-12-15
    JP3875729B2 (en) 2007-01-31
    EP1324031B1 (en) 2009-09-09
    CA2289064C (en) 2008-01-15
    EP0979406B1 (en) 2003-12-03
    ES2333310T3 (en) 2010-02-19
    EP0979406A1 (en) 2000-02-16
    ATE442583T1 (en) 2009-09-15
    DE69820253T2 (en) 2004-09-16
    ES2212290T3 (en) 2004-07-16
    US6422079B1 (en) 2002-07-23
    DE69820253D1 (en) 2004-01-15
    CA2289064A1 (en) 1998-11-05
    EP1324031A2 (en) 2003-07-02
    PT979406E (en) 2004-04-30

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